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fake_date_spread=24
adds a random date that is between NOW and the previous number of hours you send (e.g. if you send 24 a date can be between now and 24 hours ago)
fake_imagery=5
adds random image urls to the doc_info objects, as many as the number supplied (the images are on a short list and will rotate, some are valid, some are not for testing what happens).
This will turn on the api to add the new data model (eventually I'll just roll the regular call over to default graph_data to true so we don't have to make any changes, I just didn't want to break the current UI).
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